Year current LCU 1970 629.5644488680257 1971 751.4374992590609 1972 829.3218809004711 1973 873.4437278687157 1974 974.5911789999155 1975 1101.2935259065166 1976 1156.598636664083 1977 1195.6341070903152 1978 1385.1264328643433 1979 1434.7837189252962 1980 1433.6286677268379 1981 1665.4742216120935 1982 1762.641264789521 1983 1874.1308882857595 1984 2059.48186182578 1985 2027.5030830490043 1986 1933.5374598944065 1987 1881.799938219661 1988 1962.5496610068858 1989 1971.6540325539956 1990 1983.9003432868967 1991 1631.9259382188152 1992 1493.2773187949124 1993 1502.4506744529576 1994 1894.7891594235325 1995 2133.3850842289758 1996 2237.024477993358 1997 2262.421917400678 1998 2291.851171649768 1999 2515.7614018453683 2000 2696.205970380678 2001 2799.034430615613 2002 2952.522437005883 2003 3155.642354282447 2004 3345.3707760349084 2005 3735.5691130287314 2006 4628.9417199570535 2007 5114.887132408692 2008 5298.6762243862495 2009 5356.377654004609 2010 5570.741984109179 2011 6011.836749505032 2012 6379.357147973038 2013 6732.80643980844 2014 7024.525005502105 2015 7585.079719440058 2016 7942.682479969162 2017 8423.922751524844 2018 8701.701693572279 2019 9002.078963499685